Method: Boil the potato in a cooker ( usually i pressure cook with the dhall and rice). Grind green chilli and coconut in a mixer. Remove the potato from the pressure cooker keep aside let it cool. Cut the potato into medium size pieces. cut onion into small pieces. Take a bowl add the cut potato, onion and the coconut paste. Make the takda, take some oil add urad dhall, mustard seeds, hing. add curds and is ready